1485665 has 4 divisors (see below), whose sum is σ = 1782804. Its totient is φ = 1188528.

The previous prime is 1485619. The next prime is 1485683. The reversal of 1485665 is 5665841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5665841 = 1663 ⋅3407.

It can be written as a sum of positive squares in 2 ways, for example, as 786769 + 698896 = 887^2 + 836^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1485665 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148562 + ... + 148571.

It is an arithmetic number, because the mean of its divisors is an integer number (445701).

2^1485665 is an apocalyptic number.

It is an amenable number.

1485665 is a deficient number, since it is larger than the sum of its proper divisors (297139).

1485665 is an equidigital number, since it uses as much as digits as its factorization.

1485665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297138.

The product of its digits is 28800, while the sum is 35.

The square root of 1485665 is about 1218.8785829606. The cubic root of 1485665 is about 114.1056013379.

The spelling of 1485665 in words is "one million, four hundred eighty-five thousand, six hundred sixty-five".